Page 1 of 62
“HOSA- EPIDEMIOLOGY PRACTICE TEST EXAM
PREP ”LATEST EXAM SOLVED QUESTIONS &
ANSWERS VERIFIED 100% GRADED A+ (LATEST
VERSION) WELL REVISED 100% GUARANTEE
PASS
HOSA- Epidemiology Practice Test
Which of the following is best described as measuring the change in log odds
of the outcome per unit change in x1 while adjusting for covariates?
a. simple linear regression
b. multiple linear regression
c. logistic regression
d. multiple logistic regression
d. multiple logistic regression
A(n) ____ is a descriptive study in which the unit of analysis is the population.
a. case series
b. case report
c. ecological study
d. cross-sectional survey
c. ecological study
____ data can be dichotomous or multichotomous.
a. nominal
, Page 2 of 62
b. ordinal
c. discrete
d. continuous
a. nominal
The descriptive measure that may. be used to describe an outbreak of acute
flu-like symptoms occurring in a well-defined localized population is the:
a. person-time rate
b. incidence density rate
c. mortality rate
d. cumulative incidence rate
d. cumulative incidence rate
What is the point prevalence in a cross-sectional survey of 150 adults in which
30 are diagnosed with diabetes?
a. 30%
b. 50%
c. 20%
d. 0.2%
c. 20%
Which of the following is a limitation of ecological studies?
a. They are comparatively inexpensive
b. The potential for bias due to low response rates
c. The inability to control for confounding factors
d. The potential for measurement bias
c. The inability to control for confounding factors
Which of the following is a strength of a case report?
a. Several associations between variables can be made at one time
b. It provides an in-depth description of the disease or outcome
c. It can be used to evaluate policies and programs
d. It takes advantage of pre-existing data
b. It provides an in-depth description of the disease or outcome
T/F - Case series study designs may help identify symptoms of disease and
lead to earlier diagnosis.
True
T/F - In a cross-sectional study, the unit of analysis is the individual.
, Page 3 of 62
True
T/F - Incidence rate is the total number of deaths that are reported in a given
time interval divided by the population from which the deaths occurred.
False
T/F - For a comparison of heart disease risk in two populations with different
demographics, an epidemiologist would use crude rates.
False
The 4 types of data are:
a. nominal, ordinal, tertiary, continuous
b. nominal, ordinal, simultaneous, tertiary
c. nominal, continuous, simultaneous, ordinal
d. nominal, ordinal, discrete, continuous
e. none of the above
d. nominal, ordinal, discrete, continuous
"How often do you eat cheeseburgers? (once/few times a month, weeks, year)"
This is an example of what type of data?
a. nominal
b. ordinal
c. discrete
d. continuous
b. ordinal
Pick the incorrect statement about the helpfulness of descriptive
epidemiology:
a. identifies the extent of the public health problem
b. provides clues to identify a new disease or adverse health effect
c. identifies the population at least risk
d. obtains a description of the public health problem that can be easily
communicated
e. assists in planning and resource allocation
c. identifies the population at least risk; greatest would make this answer correct
T/F - Descriptive studies involve person, place and time data. They are used to
summarize data distribution, characterize the study participants, and inform
the choice of analytic statistics.
True
, Page 4 of 62
There are 4 major types of descriptive studies: ecologic, case reports, case
studies, and cross-sectional surveys. Cross-sectional surveys may also be
referred to as ____, are conducted over ____, the unit of measure is the ____,
and there is ____.
a. prevalence surveys, long periods of time, individual, no follow-up
b. incidence surveys, short periods of time, population, long follow-up
c. prevalence surveys, short periods of time, population, no follow-up
d. incidence surveys, long periods of time, individual, long follow-up
e. prevalence surveys, short periods of time, individual, no follow-up
e. prevalence surveys, short periods of time, individual, no follow-up
T/F - Temporal factors are important in determining incubation and latency
periods of disease.
True
Which of the following descriptive characteristics is a social construct?
a. age
b. sex
c. gender
d. education
c. gender
A(n) _____ is a representation of an industrialized society with high life
expectancy, good socioeconomic conditions, and effective public health
measures in place.
a. expansive pyramid
b. stationary pyramid
c. constrictive pyramid
d. population pyramid
b. stationary pyramid
T/F - The goal of a descriptive study is to formulate and test hypotheses.
False
A study involving a small group of people with a similar diagnosis would be
considered a(n):
a. case study
b. case series
“HOSA- EPIDEMIOLOGY PRACTICE TEST EXAM
PREP ”LATEST EXAM SOLVED QUESTIONS &
ANSWERS VERIFIED 100% GRADED A+ (LATEST
VERSION) WELL REVISED 100% GUARANTEE
PASS
HOSA- Epidemiology Practice Test
Which of the following is best described as measuring the change in log odds
of the outcome per unit change in x1 while adjusting for covariates?
a. simple linear regression
b. multiple linear regression
c. logistic regression
d. multiple logistic regression
d. multiple logistic regression
A(n) ____ is a descriptive study in which the unit of analysis is the population.
a. case series
b. case report
c. ecological study
d. cross-sectional survey
c. ecological study
____ data can be dichotomous or multichotomous.
a. nominal
, Page 2 of 62
b. ordinal
c. discrete
d. continuous
a. nominal
The descriptive measure that may. be used to describe an outbreak of acute
flu-like symptoms occurring in a well-defined localized population is the:
a. person-time rate
b. incidence density rate
c. mortality rate
d. cumulative incidence rate
d. cumulative incidence rate
What is the point prevalence in a cross-sectional survey of 150 adults in which
30 are diagnosed with diabetes?
a. 30%
b. 50%
c. 20%
d. 0.2%
c. 20%
Which of the following is a limitation of ecological studies?
a. They are comparatively inexpensive
b. The potential for bias due to low response rates
c. The inability to control for confounding factors
d. The potential for measurement bias
c. The inability to control for confounding factors
Which of the following is a strength of a case report?
a. Several associations between variables can be made at one time
b. It provides an in-depth description of the disease or outcome
c. It can be used to evaluate policies and programs
d. It takes advantage of pre-existing data
b. It provides an in-depth description of the disease or outcome
T/F - Case series study designs may help identify symptoms of disease and
lead to earlier diagnosis.
True
T/F - In a cross-sectional study, the unit of analysis is the individual.
, Page 3 of 62
True
T/F - Incidence rate is the total number of deaths that are reported in a given
time interval divided by the population from which the deaths occurred.
False
T/F - For a comparison of heart disease risk in two populations with different
demographics, an epidemiologist would use crude rates.
False
The 4 types of data are:
a. nominal, ordinal, tertiary, continuous
b. nominal, ordinal, simultaneous, tertiary
c. nominal, continuous, simultaneous, ordinal
d. nominal, ordinal, discrete, continuous
e. none of the above
d. nominal, ordinal, discrete, continuous
"How often do you eat cheeseburgers? (once/few times a month, weeks, year)"
This is an example of what type of data?
a. nominal
b. ordinal
c. discrete
d. continuous
b. ordinal
Pick the incorrect statement about the helpfulness of descriptive
epidemiology:
a. identifies the extent of the public health problem
b. provides clues to identify a new disease or adverse health effect
c. identifies the population at least risk
d. obtains a description of the public health problem that can be easily
communicated
e. assists in planning and resource allocation
c. identifies the population at least risk; greatest would make this answer correct
T/F - Descriptive studies involve person, place and time data. They are used to
summarize data distribution, characterize the study participants, and inform
the choice of analytic statistics.
True
, Page 4 of 62
There are 4 major types of descriptive studies: ecologic, case reports, case
studies, and cross-sectional surveys. Cross-sectional surveys may also be
referred to as ____, are conducted over ____, the unit of measure is the ____,
and there is ____.
a. prevalence surveys, long periods of time, individual, no follow-up
b. incidence surveys, short periods of time, population, long follow-up
c. prevalence surveys, short periods of time, population, no follow-up
d. incidence surveys, long periods of time, individual, long follow-up
e. prevalence surveys, short periods of time, individual, no follow-up
e. prevalence surveys, short periods of time, individual, no follow-up
T/F - Temporal factors are important in determining incubation and latency
periods of disease.
True
Which of the following descriptive characteristics is a social construct?
a. age
b. sex
c. gender
d. education
c. gender
A(n) _____ is a representation of an industrialized society with high life
expectancy, good socioeconomic conditions, and effective public health
measures in place.
a. expansive pyramid
b. stationary pyramid
c. constrictive pyramid
d. population pyramid
b. stationary pyramid
T/F - The goal of a descriptive study is to formulate and test hypotheses.
False
A study involving a small group of people with a similar diagnosis would be
considered a(n):
a. case study
b. case series
